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Volume Converter

Convert liquid capacity and three-dimensional volume between metric, cubic, US customary, and imperial units. Similar US and imperial unit names are labeled separately to prevent mix-ups.

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Common volume units

  • Milliliters (mL)1 L = 1,000 mL
  • Liters (L)The unit this converter works in
  • Cubic centimeters (cm³)1 L = 1,000 cm³
  • Cubic meters (m³)1 m³ = 1,000 L
  • US fluid ounces (fl oz)1 L = 33.81402 fl oz
  • US cups (cup (US))1 L = 4.226753 cup (US)
  • US pints (pt)1 L = 2.113376 pt
  • US quarts (qt)1 L = 1.056688 qt
  • US gallons (gal)1 gal = 3.785412 L
  • Imperial fluid ounces (fl oz (imp))1 L = 35.19508 fl oz (imp)
  • Imperial pints (pt (imp))1 L = 1.759754 pt (imp)
  • Imperial gallons (gal (imp))1 gal (imp) = 4.54609 L
  • Cubic inches (in³)1 L = 61.02374 in³
  • Cubic feet (ft³)1 ft³ = 28.31685 L

Conversion formula

Every conversion here uses the published factor, not a rounded one.

Example: Liters to US gallons

1 L = 0.2641721 gal

To convert liters to us gallons, multiply by 0.2641721:

5 L = 1.32086 gal

Figures on this page are shown to seven significant digits. The converter keeps the full precision and rounds only what it displays.

Did you know?

A US gallon is exactly 231 cubic inches, or 3.785411784 litres. The imperial gallon is a different measure entirely at 4.54609 litres — about 20% larger.

US fluid ounces and imperial fluid ounces differ too, so a recipe in imperial units will not scale correctly with US cups.

Frequently asked questions

How many liters is 1 US gallon?

1 US gallon is 3.785411784 liters. That is the exact US liquid gallon. Multiply gallons by 3.785411784 for liters.

How many US gallons is 1 liter?

1 liter is 0.264172 US gallons. Divide liters by 3.785411784 for US gallons. A 2 liter bottle is about 0.528 gallons.

How many milliliters is 1 US cup?

1 US cup is 236.588 milliliters. US cooking volume uses that cup size. 1 US tablespoon is 14.7868 milliliters.

How many US fluid ounces is 500 ml?

500 ml is 16.907 US fluid ounces. Divide milliliters by 29.5735 for US fl oz. 1 US fl oz is 29.5735 ml.

Is this volume converter free with no sign-up?

Yes. This converter is free with no sign-up and no account. Use it as often as you need in your browser.